AirHint found the following cheapest return flights from Cork (ORK) to Poznan (POZ) in September 2025 (see full year).

Return flights

22 Sep - 23 Sep	Ryanair	direct
12 Sep - 16 Sep	Ryanair	direct
29 Sep - 30 Sep	Ryanair	direct
26 Sep - 29 Sep	Ryanair	direct
29 Sep - 03 Oct	Ryanair	direct
12 Sep - 15 Sep	Ryanair	direct
19 Sep - 22 Sep	Ryanair	direct
09 Sep - 12 Sep	Ryanair	direct
08 Sep - 12 Sep	Ryanair	direct
13 Sep - 15 Sep	Ryanair
10 Sep - 12 Sep	Ryanair

Also check the deals for one-way flights from Cork to Poznan in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Cork to Poznan in September from 35€

Return flights